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I am getting this error messages after i update the studio and modify the design gradle version 28.0.0.
I don't know what is wrong.
Help will be appreciated. Thanks
This is a issue that occurs time to time.
Here's how you fix it:-
Clean Project (Build->Clean Project)
Invalidate and restart (File-> Invalidate Caches / Restart)
After restarting sync the project manually by clicking on the sync button
Third button from the left
First of all check your XML is there any error resolve that.
then
1.Build-> Clean Project.
2.Build-> Rebuild Project.
3. After that go to file menu -> Invalidate Caches/Restart.
4. File -> Sync Project with Gradle files.
Resolve the errors then try:
Build-Rebuild Project
Build-Clean Project
File-Sync Project with Gradle files (sync over the internet).
I am using Android studio 1.0.1. I have a java module referred by other modules in my project. I have checked it out from SVN But now every
Unsupported Modules Detected: Compilation is not supported for following modules: . Unfortunately you can't have non-Gradle Java modules and Android-Gradle modules in one project.
After getting this error AS stop compilation of this module so that I am not able to compile/run my project any more.
1- close the project
2- close Android Studio IDE
3- delete the .idea directory located inside the project folder
4- delete all .iml files
5- open Android Studio IDE and import the project
First of all you should update to Android Studio 1.2
Source: https://code.google.com/p/android/issues/detail?id=77983
Then you should go to File -> Invalidate Caches / Restart -> Invalidate Caches & Restart.
Then try to build the application again.
Invalidate Caches and Restart did not work for me. I also updated all my Android Studio files with no success.
The solution I found was importing the android folder by clicking "Import project (Eclipse ADT, Gradle, etc.)" rather than clicking "Open an existing Android Studio Project" or dragging the folder onto the app icon.
Apparently the problem is caused because a module in the project has an *.iml file that does not contain external.system.id="GRADLE".
When you import the project (as opposed to opening it), the iml files are completely re-written, thus removing the error.
I found the info here: https://issuetracker.google.com/issues/37008041
Goto .idea/modules.xml & delete the invalid/not existing path <module />. Then File => Invalidate Caches / Restart.
Try this if it helps File -> Invalidate Caches / Restart.
If it still doesn't help click on the button in the image.
'Sync Project with Gradle Files'
I know it's an old question. but I faced this problem after updating to Android Studio 3.0. I solved it by deleting app.iml file inside my app module and then Invalidate Caches / Restart.
In my case settings.gradle contained invalid configuration.
I changed:
include ':app'
rootProject.name='<somthing else>'
To:
include ':app'
Error is gone. So maybe check your settings.gradle for potential errors. If this won't work try to remove cache and other tips.
Delete .idea/modules.xml
Reload All Gradle Projects
You do not want to remove entire .idea directory, because it contains e.g. dictionaries and shelved changes.
If the above doesn't help you - check your module .iml file and see if it contains any errors. (for the app module it will be app.iml).
Invalidating caches/Restart didn't worked for me.
But simply deleting the caches folder in \Users\user.AndroidStudio(version)\system worked like a charm
You may resolve by below process:
In Android Studio, go to left panel, switch from Android to Project pane
Expand .idea folder, you can see modules.xml and open the file.
In the modules.xml file, you might see like below:
<component name="...">
<modules>
<module fileurl="file://$PROJECT_DIR$/[check...].iml" filepath="$PROJECT_DIR$/[check...].iml" group="myProject" />
<module fileurl="file://$PROJECT_DIR$/app/[check...]-app.iml" filepath="$PROJECT_DIR$/app/[check...]-app.iml" group="[check...]/app" />
Check that match the module name correctly in module element
And then, sync the gradle file
Close the Android Studio and Move ".idea" Folder and paste it outside Project root folder( For Back up if you need).
Open the Android studio.
On Opening the project it"ll ask add module (app) to your project. You can ignore the same.
It set set default build variant to be "debug".
You can see build variant tab on left corner or hover on "Monitor" Symbol on left bottom
Note: No need to change your .iml file of your project.tom to get build variant option and "Invalidate Cache and Restart" will also not work rather it will clear your history files too!.
I solved a similar problem by closing the project, then re-importing the project (not opening, but re-importing as an eclipse or other project)
Try the below,
Close android studio
Then delete .iml , .idea files
Open again the android studio
Sync with Gradle.
In My Case
I have deleted
android -> .idea Folder
android -> appname.iml file
android -> app -> app.iml file
Open project in Android Studio and no need to File -> Invalidate Caches/Restart
You can do Invalidate Caches / Restart for your case.
The above solution I've tried but didn't work for me.
I deleted the .idea folder from project directory.
Invalidate caches using Android Studio menu File -> Invalidate Caches / Restart
Deleted .gradle folder from user profile directory of Windows 10 operating system. (i.e., C:\Users\YourUserName\.gradle)
Try this solution if the above not working.
You should import the the project
https://issuetracker.google.com/issues/37008041
This error shows up when there is a module in your project whose .iml file does not contain:
external.system.id="GRADLE" Can you please check your .iml files? Also, instead of opening the project, import it, that will completely rewrite your .iml files and you won't see that error again.
Try this steps Individually:-
1) Go to File->Invalidate Caches / Restart.
2) Close android studio, Go to C:\Users\(Your UserName)\.AndroidStudio(version)\system and delete caches folder.
If till now nothing worked, then this step will definitely work...
3) Simply change project location and import project with new location.
Enjoy :-):-)
Step 1 : Delete .iml file
Step 2 : Check if your Project Directory Contain any white spaces if so then Rename your project directory leaving space
ex:
Before : My Project
After rename : MyProject
and open Android Studio...
For windows users, this can also be caused by filesystem corruption.
If all steps above do not correct the error:
Close Android Studio
Open Command Prompt as Administrator
Run a chkdsk /f on the drive your app is stored
Delete .idea folder
Restart Android Studio
save .idea folder somewhere else (for backup)
remove .idea folder
start AndroidStudio
select project
[there may be an error, ignore that]
click File -> Invalidate Caches/ Restart
click button: Invalidate Caches/ Restart
resolved
Delete .idea folder
Close project ->
Reopen Project ->
Invalidate Caches / restart
You can update new version of Android studio then go to invalidate catches/restart.Click sync button build application.
In my case I cloned a git-project where both Java and Kotlin included. Then checked another branch and pressed "Sync Project with Gradle Files". Android Studio 3.0.1.
I had the same issue on androidStudio 3.2 and clonning the project worked for me
In my case it is because the root project name have a space.
So instead of naming it as sample project, it should be sample-project or sample_project.
click File -> Invalidate Caches/ Restart doesn't help you anymore
Delete .iml , .idea files & folders from file explorer not inside android studio
1) Open android studio with different/another project
2) import project newly not from recent
3) build the project again
sure it will work
I had the exact same error and it was so annoying to see the alert every time I stared Android Studio. I tried the solution mentioned above including invalidating cache, restart etc, nothing made it go away.
In my case, we had a module that was deleted from source and the reference also removed from settings.gradle. Turns out, .idea/modules.xml was still referencing that module.
All I needed to do was remove that line from <modules> in .idea/modules.xml and it made it all go away.
I have the same issue. I was tried Invalidate Cache / Restart & also sync project with Gradle Files but still didn't work.
But worked by use the following steps:
upgrading gradle distribution version at gradle.wrapper.properties.
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
And also Android Gradle Plugin at build.gradle project
classpath 'com.android.tools.build:gradle:4.1.2' //upgrade gradle plugin here
Then Invalidate Cache / Restart
That's all solved my problem. Hope you too
rename project directory fix error for me, android studio 3.4.2
I have installed Android Studio version 1.0.1. I have imported my projects from eclipse and it works fine.
Then I deleted a module and reimported it into my Android Studio project. The gradle build says "BUILD SUCCESSFUL" but it pops up an alert window with the message
Failed to complete Gradle execution.
Cause:
Already disposed: Module: 'MYMODULENAME'
I can't start my app now. Any idea what I can do?
Edit:
I solved the problem with the following instructions:
Switch project view from Android to Project
Remove entry include 'MYMODULENAME' in settings.gradle
The blue box in the module symbol don't show. Then you can delete the module in the context menu
Import the module
Note: this is purely an IDEA/AS issue, gradlew clean | Build > Clean | Build > Rebuild will just waste your time.
Most of the solutions here are blind stabbings in the dark. Here's what I found to be the root cause:
Some of the .iml files may be missing (maybe because we deleted it),
check if the module erroring has .iml.
If it is missing, check if .idea/modules.xml has an entry for that module
While syncing I noticed that IDEA/AS tries to put a new duplicate entry into .idea/modules.xml while there's already one. This duplicate entry is probably disposed of twice while the sync tries to reset the modules in memory.
Quick Solution: In order to make it work the easiest is to delete .idea/modules.xml along with the .iml files. Additionally may worth deleting .idea/modules/ folder if it exists. Restart Android Studio (no need to clear cache) and force a Gradle sync from Gradle view or toolbar to recreate the files.
I figured out this problem by:
./gradlew clean
Restart Android Studio
Simplest solution. (Try this first).
Quit and Restart Android studio. (Quit not close)
Build > Clean your project if needed.
works for me:
File -> Invalidate Caches / Restart... -> Invalidate and Restart
Sometimes gradlew clean or Invalidate Cache and Restart does not help, because these methods do not clean Android Studio specific files by themselves.
In this case, close AS and remove .idea directory and .iml file in a root project where settings.gradle file exists. This will make AS rebuild from the fresh ground.
For me this happened when i deleted a module and built a new one with the same package name
Solution:
Clean & Restart Studio
In the left pane, change to "Project" view.
Delete MYMODULENAME.iml
For an alternative solution, check if you added your app to settings.gradle successfully
include ':app'
For me this happened when I removed a module and tried to build the project:
Simple solution was to Invalidate the cache & Restart.
Android Studio>File>Invalidate Caches>Invalidate & Restart
Had a similar issue when working with RN components in my Android project and the only way to get around this issue was to ignore the gradle project.
To do this:
Click on the gradle tab on the right hand side of AS
Right click the gradle module which is causing an issue
Click "Ignore Gradle Project"
Perform a gradle sync which should be successful now
If you need this module perform the 4 above steps again, this time when right click on the gradle project it'll show "Unignore Gradle Project"
Gradle sync should now work
No idea what causes this but I've had this happen to me when using React Native Maps.
Note: If you're still having issues following this. Try to refresh the gradle project which was causing issues.
If gradle clean and/or Build -> Clean Project didn't help try to re-open the project:
Close the project
Click "Open an existing Android Studio project" on the "Welcome to Android Studio" screen
Select gradle file to open
Warning Be aware it's a destructive operation - you're going to loose the project bookmarks, breakpoints and shelves
below solution works for me
Delete all .iml files
Rebuild project
For Solve this issue take it this simple steps.
Find the .idea folder in your Android studio under the Folder Project.
In .idea --> Find this one. .idea/.modules
Simple Delete that .modules folder and restart Your studio.
when it reopens gradle sync Automatically and also recreate .modules folder and files.
Error has gone !
I also face this problem sometimes. Click on gradle console in bottom bar of android studio, at right side. It will show the exact error in logs. My problem was that I had compile SDK 22 and imported appcomact library was of sdk 23.
I had the same problem,
after delete some gradle files (of aws)
i solved it by mark them "ignore gradle"
I believe it is not the best answer but it solve it for me
Gradle (at the right bar)--> right click on the problematic gradle --> ignore
Although the accepted answer didn't work for me (unfortunately I can't leave a comment), it led me in the right direction.
in .idea/libraries i found that there were some duplicate xml files (the duplicates were named with a 2 before the _aar.xml bit).
deleting those, restarting android studio and sync fixed the error
I was having this issue because gradle and Android Studio were using a different path for the jvm. In the Event Log there was an option for AS and gradle to use the same path. Selecting this and then doing an invalidate cache & restart resolved the issue for me.
In my case, same as in this question, it happened because I had my project in a symbolic link directory. After reopening the project in the real directory and reconfiguring gradle (File -> Sync with Gradle files) the problem went away. Shame on you, Android Studio!
I'm importing twitter4j in AndroidStudio, using the following in my build.gradle:
dependencies {
compile 'com.android.support:support-v4:18.0.+'
compile files('libs/twitter4j-core-3.0.4.jar')
}
The project compiles fine, and I can create twitter objects without a problem. However, in Android studio, anything referencing that library shows "cannot resolve symbol" and displays in red. What do I need to do to get Android Studio to recognize the library?
I have already tried rebuilding the project, ./gradlew clean, and closing and re-opening my project.
No idea if this will work or not but my only thought so far: right click the jar file in file tree within AS and select "Add as library..."
EDIT: You can do "File" -> "Invalidate Caches...", and select "Invalidate and Restart" option to fix this.
EDIT 2: This fix should work for all similar incidents and is not a twitter4j specific resolution.
Try changing the order of dependencies in File > Project Structure > (select your project) > Dependencies.
Invalidate Caches didn't work for me, but moving my build from the bottom of the list to the top did.
This is what worked for me.
In the Project panel, right click on the project name, and
select Open Module Settings from the popup menu.
then change the Compile SDK Version to the minimum version available (the minimum sdk version you set in the project).
wait for android studio to load everything.
It will give you some errors, ignore those.
Now go to your java file and android studio will suggest you import
import android.support.v4.app.FragmentActivity;
Import it, then go back to Open Module Settings and change the compile sdk version back to what it was before.
Wait for things to load and voila.
For mine was caused by the imported library project, type something in build.gradle and delete it again and press sync now, the error gone.
I also had this issue with my Android app depending on some of my own Android libraries (using Android Studio 3.0 and 3.1.1).
Whenever I updated a lib and go back to the app, triggering a Gradle Sync, Android Studio was not able to detect the code changes I made to the lib. Compilation worked fine, but Android Studio showed red error lines on some code using the lib.
After investigating, I found that it's because gradle keeps pointing to an old compiled version of my libs.
If you go to yourProject/.idea/libraries/ you'll see a list of xml files that contains the link to the compiled version of your libs. These files starts with Gradle__artifacts_*.xml (where * is the name of your libs).
So in order for Android Studio to take the latest version of your libs, you need to delete these Gradle__artifacts_*.xml files, and Android Studio will regenerate them, pointing to the latest compiled version of your libs.
If you don't want to do that manually every time you click on "Gradle sync" (who would want to do that...), you can add this small gradle task in the build.gradle file of your app.
task deleteArtifacts {
doFirst {
File librariesFolderPath = file(getProjectDir().absolutePath + "/../.idea/libraries/")
File[] files = librariesFolderPath.listFiles({ File file -> file.name.startsWith("Gradle__artifacts_") } as FileFilter)
for (int i = 0; i < files.length; i++) {
files[i].delete()
}
}
}
And in order for your app to always execute this task before doing a gradle sync, you just need to go to the Gradle window, then find the "deleteArtifacts" task under yourApp/Tasks/other/, right click on it and select "Execute Before Sync" (see below).
Now, every time you do a Gradle sync, Android Studio will be forced to use the latest version of your libs.
When i lived to this problem(red color codes but they work correctly) in my project;
As first, i made it that (File -> Indicate Cashes) --> (Invalidate and Restart).
As last, i resync my build.gradle file in my app. After problem was resolved.
Invalidate Caches / Restart didn't work for me this time.
Found a solution like this:
Remove the compile *** or implementation *** line in build.gradle.
Clean and rebuild. Errors should be raised here.
Add the line in step 1 back to build.gradle.
Clean and rebuild.
Weird...
This problem happened for me when my Glass project was not using the SDK installed in Android Studio's default location. I was using another location I had previously from ADT, since I was trying to avoid re-downloading everything. Once I pointed the project back to the SDK location in Android Studio's install location the problem went away.
I had this problem for a couple of days now and finally figured it out!
All other solutions didn't work for me btw.
Solution: I had special characters in my project path!
Just make sure to have none of those and you should be fine or at least one of the other solutions should work for you.
Hope this helps someone!
I had the very same problem recently with Android Studio 1.3. The only working solution was to remove the .gradle and .idea folders and re-import the project into Android Studio.
For those, who tried the accepted answer and have no success,
I tried also the accepted answer and did not work for me. After that, I updated my project with the repository and synchronized the project and the could not resolve warnings are gone.
Invalidate Caches didn't work for me (this time). For me it was enough changing the gradle and syncing again. Or https://stackoverflow.com/a/29565362/2000162
If nothing else helped, you could do as Android Studio suddenly cannot resolve symbols recommends:
Exit Android Studio
Back up your project
Delete all the .iml files and the .idea folder
Relaunch Android Studio and reimport your project
In my case, I had created a new file using the GUI and defined an interface within the file. I kept getting this symbol error because the file was not a "java" file. It had no extension on it at all.
After modifying the file extension to ".java", the system correctly finds the symbols.
In my case the jar file did not have a META-INF/MANIFEST.MF file. After adding one, it worked!
For my case working with AndroidStudio 2.2.3 the solution was to change the gradle wrapper/distribution to use local one in the Gradle Settings (despite of being "recommended").
This worked for me--
(File -> Indicate Cashes) --> (Invalidate and Restart).
I tried Invalidate cache/restart or clean Project -> rebuild project. These didn't work for me.
The final solution was open Project window on the left side of IDE, under Project mode, delete .gradle and .idea folder, THEN you can invalidate caches and restart. This fixed it.
Change compile to implementation in the build.gradle.
Changing the language injection settings worked for me.
Place the cursor on any of the red underlined code and Alt + Enter
Now select Language Injection Settings and a window will open as shown below.
Uncheck the selected option and click Ok
Hope this helps somebody.
It happened to me when I removed the whole files in .gradle/caches, then studio downloaded the dependences. The dependences not showed in the External Libraries but I can build App successfully. rebuild clean Invalidate and Restart have no effect. I solved the problem by the steps:
Close Android Studio completely
Remove .idea package in your project
Restart Android Studio
I have tried this but nothing worked for me:
Invalidate Caches / Restart
Changing the order of dependencies
Sync project with Gradle Files
Clean -> Rebuild Project
In my case, just do:
Delete all files in .idea/libraries folder
Rebuild Project
For me I updated gradle-wrapper.properties into 4.4
distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
I found easiest way
Identify the library which is causing syntax error in Studio.
For Example if AppCompatActivity is showing error then you will perform below operation on AppCompat Dependency.
Remove dependency which is showing syntax error & Sync.
Add again & Sync.
That's It, error gone!
Before
After
None of the answers above works for me.
After a lots of attempts, I upgraded com.android.tools.build:gradle in Project/build.gradle from 2.3.0 to 3.0.1, and it works.
I guess the version of the com.android.tools.build:gradle should be match to the version of AndroidStudio, and my AS version is 3.2.1
I tried all of the posted solutions and none of them worked for me. (Though invalidate caches does normally. This time it made no difference). After trying everything posted here the "Error cannot resolve" were still present. And the project did build and run successfully, only the IDE seemed to be confused, not the actual app or device.
My Version of Android Studio is 2021.3.1:
The solution that did finally work for me was updating the "Android Gradle Plugin Version" configuration inside of File -> Project Structure.
It was originally 3.2.1 when it wasn't working. I updated it to 3.5.3 because I have another project that was working fine and it was on that setting.
After making this change and then sync'ing gradle the symbols not resolved error goes away and the IDE once again knows what those classes are.
Closing all files and closing Android Studio works for me.
You need to restart Android Studio.
I try to import an eclipse project into Android studio.
In the migration instructions it says "In the following dialog, leave Use gradle wrapper selected and click OK. (You do not need to specify the Gradle home.)"
The problem is that the ""Use gradle wrapper" is unselected and grayed out.
Any suggestions?
1) Create a new simple project with Android Studio.
2) Find the gradle folder in the new project.
3) Use the export option in eclipse to create the build.gradle script. (Requires at least adt version 22.0)
4) Copy the gradle folder into the project you want to export to Android Studio.
5) Now try to import this project, u shall be able to select the wrapper check box.
This may resolve the problem you asked for, you can also set the Gradle home path and use the other option just fine.
Hope this helps!
I had this issue with a project that I had already previously built using Android Studio. It turned out that selecting the project appended a /gradle to the path of the directory when searching for a gradle wrapper. Removing the /gradle allowed me to select the option to use the default gradle wrapper.
For those intellij + Gradle users, that arrive here via Google...
I had the same "greyed out" issue, on osx, NOT on an Android project though.
To resolve, I had to...
Install gradle. (If not already installed)
(if you use Homebrew)
`> brew install gradle `
In the terminal, remove your gradle/wrapper folder.
Run the gradle wrapper task (this will download/create the wrapper)
> gradle wrapper
Attempt to re-import the project in intellij
I had an existing project with this problem. I already had gradle on my system, so what I did to fix it was remove everything from my build.gradle except:
task wrapper(type: Wrapper) {
gradleVersion = '1.10'
}
If you don't have a build.gradle, create one. Then run gradle wrapper. This will download the wrapper. Then put the original (Android-ish) contents of your build.gradle back, and go to your Project Settings in IntelliJ/ADT. You should be able to choose the Use gradle wrapper option now
Here's the simpliest sollution which works for both AndroidStudion and Intellij Idea
Go to Preferences -> Build, Execution.. -> Build Tools -> Gradle
Check "Use gradle wrapper task configuration"
Click apply (gradle wrapper will be downloaded, gradlew, gradle.bat files will be added to your project)
Check "Use default gradle wraper"
I had this issue and the only way I found to fix it was by deleting my Eclipse and SDK directories, deleting the settings/preferences, as well as my Android Studio settings/preferences. It isn't the most elegant solution, but I was able to get it to work by doing this.
My suspicion is that something wasn't happening right during Export, because it was the last variable I changed after already attempting a reinstall of Android Studio.
As someone else said, you need to first create a new project with android studio, and use the gradle file found in that project and paste it into the project which you want to import.